skip xformers if exists

install.py

@@ -39,6 +39,15 @@ def get_pytorch_version():
         return None
 
 
+def check_xformers():
+    try:
+        import xformers
+
+        return True
+    except ImportError:
+        return False
+
+
 def get_pytorch_cuda_version():
     """Extract CUDA version from PyTorch."""
     try:
@@ -127,6 +136,11 @@ def main():
 
     # Step 2: Check xformers compatibility
     print("\n[2/3] Checking xformers compatibility...")
+
+    if check_xformers():
+        print("xformers exists skip installation")
+        return 0
+
     pytorch_version = get_pytorch_version()
     cuda_version = get_pytorch_cuda_version()
 

pyproject.toml

@@ -1,7 +1,7 @@
 [project]
 name = "comfyui-starwrapper"
 description = "A ComfyUI custom node wrapper for [STAR (Spatial-Temporal Augmentation with Text-to-Video Models for Real-World Video Super-Resolution)](https://github.com/NJU-PCALab/STAR), enabling high-quality video upscaling with AI-powered super-resolution."
-version = "0.1.3"
+version = "0.1.4"
 license = {file = "LICENSE"} 
 classifiers = [
     # For OS-independent nodes (works on all operating systems)